CN112016903A - Three-dimensional assembly operation instruction data management platform and work flow thereof - Google Patents
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Abstract
The invention relates to the technical field of three-dimensional assembly data management, and discloses a three-dimensional assembly operation instruction data management platform, which comprises a data preparation layer, a data layer, an application layer and a presentation layer; the data preparation layer comprises the steps of manufacturing a three-dimensional assembly operation instruction book and carrying out lightweight processing on the three-dimensional model; the data layer consists of three-dimensional assembly operation instruction data and light three-dimensional model data; the application layer comprises a service management module, a user management module and a data management module; the presentation layer implements a centralized presentation based on the application layer. The invention also discloses a working process of the three-dimensional assembly operation instruction data management platform. The three-dimensional assembly operation instruction data management platform and the working process thereof enable the data query of the three-dimensional assembly operation instruction to be rapid, visual and efficient, the instruction issuing process to be more standard, transparent and open, the authority management to be more clear and the safety protection to be more complete.
Description
Technical Field
The invention relates to the technical field of three-dimensional assembly data management, in particular to a three-dimensional assembly operation instruction data management platform and a working process thereof.
Background
The traditional assembly process file lacks the support of a data management platform, the assembly process file is designed and approved by a design department and then sent to an assembly production line, the management mode is that each department of a project establishes an assembly file management system according to the working range of the department, the assembly process file is dispersedly stored in a server or a staff PC of each department, meanwhile, the change synchronism of the assembly process file between the design department and the assembly production line is poor, and the current assembly file management mode has the following problems:
1. large number, query too slow: aiming at large and medium-sized projects, the number and versions of assembly process files are numerous and complicated, the files are dispersedly stored in different design departments and assembly production lines, and the query time is long;
2. information islands are easily caused by distributed storage: a. in the data and information interaction process, the data and information interaction can be realized by frequently accessing and calling for many times, the information transmission efficiency is low, and the assembly data is easy to lose; b. the updating is asynchronous, the information can not be updated synchronously, or the information needs to be updated for a longer time, so that information transmission errors and ambiguity are caused; c. due to the scattered storage, incomplete handover can be caused when project staff move, related experience knowledge cannot be continued, and assembly files are easy to lose;
3. the authority control is unknown, and the secret leakage is easy: the assembly file authority management is missing and comprises authority management of different project participators, authority management of different sub-departments, authority management of different levels of users and the like, different authorities have different operation rights for different assembly files, such as file consulting, editing, downloading, changing, auditing, approving, deleting and other authorities, authority control is not clear, and information security problems such as leakage or tampering are easily caused.
Meanwhile, assembly process files are generally compiled in a two-dimensional environment, a mode of combining a plane graph with a text description is adopted, data mostly stay in the state of a two-dimensional drawing, and the assembly process files have the following main problems: (1) the intuition is not enough, and the requirement on the comprehension capability of process design, optimization personnel and field assembly operators is high; (2) the process expression granularity is too coarse, the process visualization information expression is insufficient, the process continuity is insufficient, the assembly sequence and the assembly path mainly depend on the past experience, and visual evaluation basis is lacked.
Disclosure of Invention
The invention aims to provide a three-dimensional assembly operation instruction data management platform and a working process thereof aiming at the defects of the technology, so that the three-dimensional assembly operation instruction data is quickly, visually and efficiently inquired, the instruction issuing process is more standard, transparent and open, the authority management is more clear, and the safety protection is more complete.
In order to achieve the purpose, the three-dimensional assembly operation instruction data management platform comprises a data preparation layer, a data layer, an application layer and a presentation layer, wherein the data preparation layer is used for manufacturing a three-dimensional assembly operation instruction by combining an assembly process scheme and an MBD assembly digital-analog, and carrying out light weight processing on a three-dimensional model; the data layer consists of three-dimensional assembly operation instruction data generated by the data preparation layer and light three-dimensional model data; the application layer comprises a service management module, a user management module and a data management module, wherein the service management module is used for performing issuing process management, change management and progress management on the three-dimensional assembly operation instruction book of the data layer, the user management module is used for managing the authority of a user, and the data management module is used for displaying, intensively storing and safely managing the three-dimensional model and the three-dimensional assembly operation instruction book; the presentation layer enables a centralized presentation based on the application layer.
Preferably, the manufacturing of the three-dimensional assembly operation instruction in the data preparation layer is based on the assembly process scheme of the three-dimensional assembly and the MBD assembly numerical model thereof, the assembly view and the process diagram sequence are determined, and an assembly animation or explosion view document is formed, and the data preparation layer further comprises the step of carrying out light weight processing on the three-dimensional model.
Preferably, the three-dimensional assembly work instruction data in the data layer comprises assembly animation, assembly documents, assembly quality and assembly progress, the light-weight three-dimensional model data comprises geometric information and attribute information, the three-dimensional assembly work instruction data is associated to the corresponding light-weight three-dimensional model, the association mode comprises a manual association mode and an automatic association mode, and the automatic association comprises the steps of automatic classification, retrieval, sorting and association.
Preferably, the process of issuing the three-dimensional assembly operation instruction in the application layer includes making, entering, auditing, approving and issuing, and different operations correspond to users with different authorities, the user management module in the application layer further includes platform service notification, news pushing, collection and space management, and the security management in the application layer includes data encryption, log auditing, authentication, backup and disaster recovery.
Preferably, the presentation layer comprises a PC platform based on a B/S architecture and a C/S architecture respectively, a mobile APP and a VR, and comprises the zooming-in, zooming-out, translation, roaming, rendering, hiding and sectioning of a three-dimensional model, and the playing, pausing, doubling, zooming-in and zooming-out of a three-dimensional assembly animation.
The work flow of the three-dimensional assembly work instruction data management platform comprises the following steps:
6.1 compiling a three-dimensional assembly operation instruction book and a lightweight three-dimensional model;
6.2 associating the three-dimensional assembly operation instruction to the corresponding three-dimensional model;
and 6.3, uploading the three-dimensional assembly operation instruction and the three-dimensional model to a three-dimensional assembly operation instruction data management platform, so as to realize the functions of issuing business management, instruction and model display, data centralized storage, data safety management and user service management.
Preferably, the process of making the three-dimensional assembly work instruction in the data preparation layer includes the following steps:
7.1 determining an assembly process scheme and an MBD assembly digital model: determining an assembly process scheme comprising assembly sequence planning and assembly path planning, wherein the assembly sequence planning is combined with a model geometric structure to obtain an optimal assembly sequence in a manual guidance disassembly mode, the assembly path planning draws a process route through process procedures to finally obtain the assembly process scheme, and an MBD assembly digital model consists of three contents of a design model, comments and attributes and comprises design information, process information and manufacturing information of a product;
7.2 create assembly view: creating an assembly view for the process and the step, wherein the assembly view represents a snapshot of the model in a view area, the attributes and all visible parts in the model animation are saved, the view records the position of a camera, the position of the part in an explosion view and the attributes of the view area, the view angle is adjusted according to the requirement, and a proper angle is selected to clearly express the information of the parts;
7.3 creating a process diagram: creating a process diagram for the created assembly view, adding dimension information, tolerance information and annotation information on the assembly view, adding a cutting plane as required to observe an internal structure, amplifying in different areas of the model by using an explosion diagram or by a Digger function, peeling off a role to observe the internal structure, and checking after the process diagram is created, wherein the checking comprises view integrity checking, correctness checking and view sequence checking, and improper diagrams are modified in time;
7.4, making an assembly animation: the assembly animation is formed by blanking key frames, view angle key frames, position key frames, hot spot key frames, shape key frames and sectioning surface key frames, the transition change of the intermediate state is completed by computer automatic interpolation, firstly, the assembly parts are grouped, then the assembly animation is created, finally, the assembly animation is converted into the assembly animation and is properly adjusted, and the form of the assembly animation comprises an executable program, an avi video and a screen recording software recording video;
7.5: outputting a three-dimensional assembly operation instruction book: the output of the three-dimensional assembly operation instruction is to arrange the character description, the process diagram and the assembly animation according to a certain layout and associate the character description, the process diagram and the assembly animation to the corresponding three-dimensional model part.
Preferably, the process of weight reduction of the three-dimensional model in the data preparation layer includes the following steps:
8.1 unifying the origin coordinates of the model;
8.2 coding and coloring of uniform parts;
8.3 regulating the attribute information of the model;
8.4 geometric transformation and rendering processing;
8.5 output lightweight model.
Preferably, the optimization of the geometric transformation at the microscopic level adopts parametric geometric description, namely, the light weight of the component is carried out by a parametric method; and (3) optimizing at a macroscopic level by adopting similar primitive combination, namely, reserving certain primitive data, directly referencing the primitives at other positions and recording space coordinates.
Preferably, multiple LODs (levels of detail) are adopted for optimization of rendering processing at a microscopic level, and the model fineness is related to the distance, so that the primitive rendering speed is accelerated, and the storage is reduced; and in the macro level, the optimization adopts a shielding elimination and batch drawing mode, only visible primitives are shielded and eliminated, the number of rendering primitives is reduced, objects with the same state are merged into one drawing call in batch drawing, the loads of a CPU (Central processing Unit) and a GPU (graphics processing Unit) are balanced, and the rendering smoothness is improved.
Compared with the prior art, the invention has the following advantages:
1. the three-dimensional assembly operation instruction and the lightweight three-dimensional model are centrally stored, information islands and document loss are avoided, and the document synchronous change and the historical version are unified;
2. the association and centralized display of the three-dimensional assembly operation instruction book and the lightweight three-dimensional model are realized, the assembly instruction book and the model are integrated, the query efficiency is improved, and meanwhile, the propaganda and the display are more convenient;
3. the management of the three-dimensional assembly operation instruction is standardized, including service release flow, user authority, change, safety management and the like;
4. the three-dimensional assembly operation instruction with higher visualization degree and stronger intuition is adopted to replace the traditional paper two-dimensional assembly process file, so that the efficiency of assembly personnel for acquiring assembly information is improved;
5. the three-dimensional model is subjected to lightweight processing, and the lightweight model realizes rapid and smooth response during model display and operation.
Drawings
FIG. 1 is a schematic structural diagram of a three-dimensional assembly work instruction data management platform according to the present invention;
FIG. 2 is a flow chart of the overall work of the three-dimensional assembly work instruction data management platform of the present invention;
FIG. 3 is a flowchart of the three-dimensional assembly instruction of FIG. 2;
FIG. 4 is a flow chart of the three-dimensional model weight reduction in FIG. 2.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, a three-dimensional assembly work instruction data management platform includes a data preparation layer, a data layer, an application layer, and a presentation layer:
the data preparation layer is used for manufacturing a three-dimensional assembly operation instruction book by combining an assembly process scheme and an MBD assembly digifax, and carrying out lightweight processing on the three-dimensional model, the manufacturing of the three-dimensional assembly operation instruction book in the data preparation layer is based on the assembly process scheme of the three-dimensional assembly body and the MBD assembly digifax thereof, and an assembly view and a process diagram sequence are determined to form an assembly animation or explosion view document.
The data layer is composed of three-dimensional assembly operation instruction data and light-weight three-dimensional model data, the three-dimensional assembly operation instruction data in the data layer comprises assembly animations, assembly documents, assembly quality and assembly progress, the light-weight three-dimensional model data comprises geometric information and attribute information, the three-dimensional assembly operation instruction data are related to corresponding light-weight three-dimensional models, the related mode comprises a manual related mode and an automatic related mode, and the automatic related step comprises automatic classification, retrieval, sorting and correlation.
The application layer comprises a service management module, a user management module and a data management module, wherein the service management module is used for issuing process management, change management and progress management on the three-dimensional assembly operation instruction book of the data layer, the user management module is used for managing the authority of a user, and the data management module is used for displaying, centrally storing and safely managing the three-dimensional model and the three-dimensional assembly operation instruction book. In addition, the process of issuing the three-dimensional assembly operation instruction in the application layer comprises making, inputting, auditing, approving and issuing, different operations correspond to different authority users, the user management module in the application layer further comprises platform service notification, news pushing, collecting and space management, and safety management in the application layer comprises data encryption, log auditing, authentication, backup and disaster recovery.
The presentation layer realizes centralized display based on the application layer, and the PC platform, the mobile APP and the VR are respectively based on the B/S architecture and the C/S architecture, and the centralized display comprises the amplification, the reduction, the translation, the roaming, the rendering, the hiding and the sectioning of the three-dimensional model, and the playing, the pause, the double speed, the amplification and the reduction of the three-dimensional assembly animation.
As shown in fig. 2, a workflow of a three-dimensional assembly work instruction data management platform includes the following steps:
6.1 compiling a three-dimensional assembly operation instruction book and a lightweight three-dimensional model;
6.2 associating the three-dimensional assembly operation instruction to the corresponding three-dimensional model;
and 6.3, uploading the three-dimensional assembly operation instruction and the three-dimensional model to a three-dimensional assembly operation instruction data management platform, so as to realize the functions of issuing business management, instruction and model display, data centralized storage, data safety management and user service management.
As shown in fig. 3, the process of making the three-dimensional assembly instruction in the data preparation layer includes the following steps:
7.1 determining an assembly process scheme and an MBD assembly digital model: determining an assembly process scheme comprising assembly sequence planning and assembly path planning, wherein the assembly sequence planning is combined with a model geometric structure to obtain an optimal assembly sequence in a manual guidance disassembly mode, the assembly path planning draws a process route through process procedures to finally obtain the assembly process scheme, and an MBD assembly digital model consists of three contents of a design model, comments and attributes and comprises design information, process information and manufacturing information of a product;
7.2 create assembly view: creating an assembly view for the process and the step, wherein the assembly view represents a snapshot of the model in a view area, the attributes and all visible parts in the model animation are saved, the view records the position of a camera, the position of the part in an explosion view and the attributes of the view area, the view angle is adjusted according to the requirement, and a proper angle is selected to clearly express the information of the parts;
7.3 creating a process diagram: creating a process diagram for the created assembly view, adding dimension information, tolerance information and annotation information on the assembly view, adding a cutting plane as required to observe an internal structure, amplifying in different areas of the model by using an explosion diagram or by a Digger function, peeling off a role to observe the internal structure, and checking after the process diagram is created, wherein the checking comprises view integrity checking, correctness checking and view sequence checking, and improper diagrams are modified in time;
7.4, making an assembly animation: the assembly animation is formed by blanking key frames, view angle key frames, position key frames, hot spot key frames, shape key frames and sectioning surface key frames, the transition change of the intermediate state is completed by computer automatic interpolation, firstly, the assembly parts are grouped, then the assembly animation is created, finally, the assembly animation is converted into the assembly animation and is properly adjusted, and the form of the assembly animation comprises an executable program, an avi video and a screen recording software recording video;
7.5: outputting a three-dimensional assembly operation instruction book: the output of the three-dimensional assembly operation instruction is to arrange the character description, the process diagram and the assembly animation according to a certain layout and associate the character description, the process diagram and the assembly animation to the corresponding three-dimensional model part.
As shown in fig. 4, the process of three-dimensional model weight reduction in the data preparation layer includes the following steps:
8.1 unifying the origin coordinates of the model;
8.2 coding and coloring of uniform parts;
8.3 regulating the attribute information of the model;
8.4 geometric transformation and rendering processing;
8.5 output lightweight model.
In addition, in the embodiment, the optimization of the geometric transformation at the microscopic level adopts parametric geometric description, namely, the lightweight of the component is carried out by a parametric method; in the optimization of the macro level, similarity primitive combination is adopted, namely certain primitive data is reserved, the primitives at other positions are directly referred, and spatial coordinates are recorded; multiple LODs (levels of detail) are adopted for optimization of rendering processing at a microscopic level, and the model fineness is related to the distance, so that the primitive rendering speed is accelerated, and the storage is reduced; and in the macro level, the optimization adopts a shielding elimination and batch drawing mode, only visible primitives are shielded and eliminated, the number of rendering primitives is reduced, objects with the same state are merged into one drawing call in batch drawing, the loads of a CPU (Central processing Unit) and a GPU (graphics processing Unit) are balanced, and the rendering smoothness is improved.
The three-dimensional assembly operation instruction data management platform and the working process thereof realize the centralized storage of the three-dimensional assembly operation instruction and the lightweight three-dimensional model, avoid information isolated islands and document loss, and realize the unification of the synchronous change and the historical version of the document; the association and centralized display of the three-dimensional assembly operation instruction book and the lightweight three-dimensional model are realized, the assembly instruction book and the model are integrated, the query efficiency is improved, and meanwhile, the propaganda and the display are more convenient; the management of the three-dimensional assembly operation instruction is standardized, including service release flow, user authority, change, safety management and the like; the three-dimensional assembly operation instruction with higher visualization degree and stronger intuition is adopted to replace the traditional paper two-dimensional assembly process file, so that the efficiency of assembly personnel for acquiring assembly information is improved; the three-dimensional model is subjected to lightweight processing, and the lightweight model realizes rapid and smooth response during model display and operation.
Claims (10)
1. A three-dimensional assembly work instruction data management platform comprises a data preparation layer, a data layer, an application layer and a presentation layer, and is characterized in that: the data preparation layer is used for manufacturing a three-dimensional assembly operation instruction book by combining an assembly process scheme and an MBD assembly digital model, and carrying out lightweight processing on the three-dimensional model; the data layer consists of three-dimensional assembly operation instruction data generated by the data preparation layer and light three-dimensional model data; the application layer comprises a service management module, a user management module and a data management module, wherein the service management module is used for performing issuing process management, change management and progress management on the three-dimensional assembly operation instruction book of the data layer, the user management module is used for managing the authority of a user, and the data management module is used for displaying, intensively storing and safely managing the three-dimensional model and the three-dimensional assembly operation instruction book; the presentation layer enables a centralized presentation based on the application layer.
2. The three-dimensional assembly work instruction data management platform according to claim 1, characterized in that: the manufacturing of the three-dimensional assembly operation instruction in the data preparation layer is based on an assembly process scheme of the three-dimensional assembly and an MBD assembly digital model thereof, an assembly view and a process diagram sequence are determined, an assembly animation or explosion view document is formed, and the data preparation layer further comprises the step of carrying out light weight processing on the three-dimensional model.
3. The three-dimensional assembly work instruction data management platform according to claim 1, characterized in that: the three-dimensional assembly operation instruction data in the data layer comprises assembly animation, assembly documents, assembly quality and assembly progress, the light-weight three-dimensional model data comprises geometric information and attribute information, the three-dimensional assembly operation instruction data is associated to the corresponding light-weight three-dimensional model, the association mode comprises a manual association mode and an automatic association mode, and the automatic association comprises the steps of automatic classification, retrieval, sorting and association.
4. The three-dimensional assembly work instruction data management platform according to claim 1, characterized in that: the release process of the three-dimensional assembly operation instruction book in the application layer comprises making, inputting, auditing, approving and releasing, different operations correspond to different authority users, the user management module in the application layer further comprises platform service notification, news pushing, collecting and space management, and the safety management in the application layer comprises data encryption, log auditing, authentication, backup and disaster recovery.
5. The three-dimensional assembly work instruction data management platform according to claim 1, characterized in that: the presentation layer comprises a PC platform, a mobile APP and a VR based on a B/S framework and a C/S framework respectively, and comprises the steps of amplifying, reducing, translating, roaming, rendering, hiding and sectioning of a three-dimensional model, and playing, pausing, multiplying, amplifying and reducing of a three-dimensional assembly animation.
6. A workflow of the three-dimensional assembly work instruction data management platform according to claim 1, wherein: the method comprises the following steps:
6.1 compiling a three-dimensional assembly operation instruction book and a lightweight three-dimensional model;
6.2 associating the three-dimensional assembly operation instruction to the corresponding three-dimensional model;
and 6.3, uploading the three-dimensional assembly operation instruction and the three-dimensional model to a three-dimensional assembly operation instruction data management platform, so as to realize the functions of issuing business management, instruction and model display, data centralized storage, data safety management and user service management.
7. The workflow of the three-dimensional assembly work instruction data management platform according to claim 6, wherein: the manufacturing process of the three-dimensional assembly operation instruction in the data preparation layer comprises the following steps:
7.1 determining an assembly process scheme and an MBD assembly digital model: determining an assembly process scheme comprising assembly sequence planning and assembly path planning, wherein the assembly sequence planning is combined with a model geometric structure to obtain an optimal assembly sequence in a manual guidance disassembly mode, the assembly path planning draws a process route through process procedures to finally obtain the assembly process scheme, and an MBD assembly digital model consists of three contents of a design model, comments and attributes and comprises design information, process information and manufacturing information of a product;
7.2 create assembly view: creating an assembly view for the process and the step, wherein the assembly view represents a snapshot of the model in a view area, the attributes and all visible parts in the model animation are saved, the view records the position of a camera, the position of the part in an explosion view and the attributes of the view area, the view angle is adjusted according to the requirement, and a proper angle is selected to clearly express the information of the parts;
7.3 creating a process diagram: creating a process diagram for the created assembly view, adding dimension information, tolerance information and annotation information on the assembly view, adding a cutting plane as required to observe an internal structure, amplifying in different areas of the model by using an explosion diagram or by a Digger function, peeling off a role to observe the internal structure, and checking after the process diagram is created, wherein the checking comprises view integrity checking, correctness checking and view sequence checking, and improper diagrams are modified in time;
7.4, making an assembly animation: the assembly animation is formed by blanking key frames, view angle key frames, position key frames, hot spot key frames, shape key frames and sectioning surface key frames, the transition change of the intermediate state is completed by computer automatic interpolation, firstly, the assembly parts are grouped, then the assembly animation is created, finally, the assembly animation is converted into the assembly animation and is properly adjusted, and the form of the assembly animation comprises an executable program, an avi video and a screen recording software recording video;
7.5: outputting a three-dimensional assembly operation instruction book: the output of the three-dimensional assembly operation instruction is to arrange the character description, the process diagram and the assembly animation according to a certain layout and associate the character description, the process diagram and the assembly animation to the corresponding three-dimensional model part.
8. The workflow of the three-dimensional assembly work instruction data management platform according to claim 6, wherein: the process for lightening the three-dimensional model in the data preparation layer comprises the following steps:
8.1 unifying the origin coordinates of the model;
8.2 coding and coloring of uniform parts;
8.3 regulating the attribute information of the model;
8.4 geometric transformation and rendering processing;
8.5 output lightweight model.
9. The workflow of the three-dimensional assembly task instruction data management platform according to claim 8, wherein: the optimization of geometric transformation at a microscopic level adopts parametric geometric description, namely, the lightweight of the component is carried out by a parametric method; and (3) optimizing at a macroscopic level by adopting similar primitive combination, namely, reserving certain primitive data, directly referencing the primitives at other positions and recording space coordinates.
10. The workflow of the three-dimensional assembly task instruction data management platform according to claim 9, wherein: multiple LODs (levels of detail) are adopted for optimization of rendering processing at a microscopic level, and the model fineness is related to the distance, so that the primitive rendering speed is accelerated, and the storage is reduced; and in the macro level, the optimization adopts a shielding elimination and batch drawing mode, only visible primitives are shielded and eliminated, the number of rendering primitives is reduced, objects with the same state are merged into one drawing call in batch drawing, the loads of a CPU (Central processing Unit) and a GPU (graphics processing Unit) are balanced, and the rendering smoothness is improved.
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| CN114791964A (en) * | 2022-03-24 | 2022-07-26 | 北京城市网邻信息技术有限公司 | House decoration video processing method and device, electronic equipment and storage medium |
| CN115860548A (en) * | 2022-12-08 | 2023-03-28 | 深圳市创芯人科技有限公司 | SaaS one-stop platform management method, system and medium based on big data |
| CN116484452A (en) * | 2023-04-26 | 2023-07-25 | 上海索辰信息科技股份有限公司 | Low-code three-dimensional digital visualization system |
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